JTextField does not visualize the text!

Question

Hello everybody,
i have a problem with JtextFields.
I have a Jtable with a ColumnHeader that contains a Button, a combobox and a JTextField.
Normally i have 3 columns. When i try to move from a textfield to another textfield i can write in this one but the text is not visualized and i do not se the cursor in it.
If i click a second time in the textfield, then the text gets visible.
Here after the code of my UIText which extends JTextField.
package com.wuerth.phoenix.ui;
import com.wuerth.phoenix.ui.lov.*;
import java.io.*;
import java.awt.*;
import javax.swing.*;
import javax.swing.text.*;
import com.wuerth.phoenix.ui.*;
import javax.swing.event.*;
import java.awt.event.*;
import java.util.Locale;
import java.text.*;
import com.wuerth.phoenix.util.PString;
* This object is a generic ui field. Use them to get alphanumeric
* text.
* @author ing. Davide Montesin '99<BR><i>[email protected]</i>
public class UIText extends JTextField implements TextEditor, PhoenixUIElement, FocusListener, KeyListener, ActionListener
private DefaultPhoenixUIElement dui;
// This object (is) was used by updateCorrect to find the correct background color
// It is used for UIComboBox too.
// protected final JTextField _jtextfield = new JTextField();
// Background Color (mtm 010327 - UI Bug)
private Dimension _preferredSize = null;
private boolean _onlyUpperCase = false;
String _oldText;
* Construct a new UIText with the default length(15).
public UIText()
this(15);
* Construct a new UIText with the specified length.
public UIText(int length)
super(length);
setOnlyUpperCase(UIConfiguration.get().isUITextOnlyUpperCase());
this._oldText = "";
this.dui = new DefaultPhoenixUIElement(this);
this.addFocusListener(this);
this.addKeyListener(this);
this.addActionListener(this);
* Set to true if the object should return only uppercase String. This method
* have priority over the UIConfiguration.
* @param c if true the getAsText method will return a uppercase string.
* @see com.wuerth.phoenix.UIConfiguration#setUITextOnlyUpperCase
public void setOnlyUpperCase(boolean c)
_onlyUpperCase = c;
* Tell the object that this field is required. The field use warning color and error color
* to tell to the user this requireness.
public void setRequired(boolean r)
this.dui.setRequired(r);
this.updateCorrect();
* @see setRequired
public boolean getRequired()
return this.dui.getRequired();
* Set the mode for the element. Valid modes are: PhoenixUIElement.INSERT,
* PhoenixUIElement.LOOKUP AND PhoenixUIElement.FIND. The mode influence the
* validation process.
public void setMode(int m)
this.dui.setMode(m);
this.updateCorrect();
* @see setMode
public int getMode()
return this.dui.getMode();
* Use this method to tell this object if it contain semantically correct value. The element
* itself can't control if semantic is correct. It is responsability of the parent to check
* semantic of the UIElements value. This method is a way to display that a ArticleNumber is
* not correct.
public void setSemanticCorrect(boolean c)
this.dui.setSemanticCorrect(c);
this.updateCorrect();
* @see setSemanticCorrect
public boolean getSemanticCorrect()
return this.dui.getSemanticCorrect();
* This method check if at the moment the uielement is corect at all: syntatically,
* per range, semantically and requireness.
* The window can use this method to check if the form can be saved or not.
public boolean isCorrect()
return this.dui.isCorrect();
* This method tell the object to syncronize layout
* information with the correctness informazion. For example, if
* the uielement contain a wrong value then after calling this
* method you are shoure that the background is red(error).
* <BR>
* The uiobject itself should call this object at most in this two case:
* If the lostFocus event fires<BR>
* If the content of the field is erased.
// WARNING_COLOR and ERROR_COLOR have priority over
// EDITABLE_COLOR and NOTEDITABLE_COLOR. (mtm 010327 - UI Bug)
public void updateCorrect()
// fire the propertyChange event if necessary before update
// layout aspect.
fireUpdate();
if (isCorrect())
// (mtm 010327 - UI Bug) Original version.
// _jtextfield.setEditable(this.isEditable());
// this.setBackground(_jtextfield.getBackground());
// this.repaint();
// Select between EDITABLE and NOTEDITABLE Colors
setBackground(isEditable() ? EDITABLE_COLOR : NOTEDITABLE_COLOR);
repaint();
else
if (getText().length() == 0)
// Null object
setBackground(WARNING_COLOR);
else
// Not null object
setBackground(ERROR_COLOR);
repaint();
_setTooltipIfNeeded();
} // updateCorrect() priority: WARNING_COLOR, ERROR_COLOR */
* This method tell the object to syncronize layout
* information with the correctness informazion. For example, if
* the uielement contain a wrong value then after calling this
* method you are shoure that the background is red(error).
* <BR>
* The uiobject itself should call this object at most in this two case:
* If the lostFocus event fires<BR>
* If the content of the field is erased.
// In this version EDITABLE_COLOR and NOTEDITABLE_COLOR have priority over
// WARNING_COLOR and ERROR_COLOR.
public void updateCorrect()
// fire the propertyChange event if necessary before update
// layout aspect.
fireUpdate();
if (isEditable())
if (isCorrect())
setBackground(EDITABLE_COLOR);
else
setBackground(getText().length() == 0 ? WARNING_COLOR : ERROR_COLOR);
else
setBackground(NOTEDITABLE_COLOR);
repaint();
_setTooltipIfNeeded();
} // updateCorrect() priority: EDITABLE_COLOR, NOTEDITABLE_COLOR/*
* Overriden setEditable to set editable or not editable Background colors
* (mtm 010327 - UI Bug)
public void setEditable(boolean ed)
super.setEditable(ed);
// EDITABLE_COLOR and NOTEDITABLE_COLOR have priority over
// WARNING_COLOR and ERROR_COLOR
//setBackground(ed ? EDITABLE_COLOR : NOTEDITABLE_COLOR);
//repaint();
* Method from FocusListener interface.
public void focusGained(FocusEvent e)
System.out.println("show caret");
setEditable(true);
Caret caret = getCaret();
System.out.println(caret);
caret.setVisible(true);
//moveCaretPosition(getText().length());
enableInputMethods(true);
* Method from FocusListener interface.
public void focusLost(FocusEvent e)
// Control if it is all ok
// Format the field
if (!e.isTemporary())
// Make automatic completition when the user leave the field
enter();
public void processKeyEvent(KeyEvent e)
char newKey = e.getKeyChar();
if (_onlyUpperCase)
newKey = Character.toUpperCase(e.getKeyChar());
super.processKeyEvent(new KeyEvent(this, e.getID(), e.getWhen(), e.getModifiers(), e.getKeyCode(), newKey));
e.consume();
public void keyTyped(KeyEvent e)
public void keyPressed(KeyEvent e)
if (e.getKeyCode() == e.VK_F9)
if (this.dui.getLOV() != null)
this.dui.getLOV().addActionListener(this);
this.dui.getLOV().start(this);
public void keyReleased(KeyEvent e)
public void actionPerformed(ActionEvent ae)
if (ae.getSource() == this)
enter();
else
this.dui.getLOV().removeActionListener(this);
if (this.dui.getLOV().getValue() != null)
javax.swing.FocusManager.getCurrentManager().focusNextComponent(this);
dui.fireEditingCompleted(this);
//--------------- controlla dimensione del testo... mi sembra pesantuccio!-----------------//
// FontMetrics fm = this.getGraphics().getFontMetrics(this.getFont());
FontMetrics fm = Toolkit.getDefaultToolkit().getFontMetrics(this.getFont());
private void _setTooltipIfNeeded()
String text = this.getText();
int tWidth = fm.stringWidth(text);
int cWidth = this.getSize().width;
if(tWidth>cWidth && cWidth>0)
this.setToolTipText(text);
else
this.setToolTipText(null);
* JTextField setText method redefined to perform validation.
public void setText(String text)
if (_onlyUpperCase && text !=null)
text = text.toUpperCase();
super.setText(text);
if ((this.getLOV() != null))
if (this.getLOV().isWorking())
return;
updateCorrect();
setCaretPosition(0);
dui.fireEditingCompleted(this);
* Sets the current text.
public void setValue(String text)
setAsText(text);
* Returns the current text.
public String getValue()
return getAsText();
public void setAsText(String text)
this.setText(text);
public String getAsText()
String ret = this.getText();
if (_onlyUpperCase)
ret = ret.toUpperCase();
return PString.trim(ret);
public void setLOV(LOVWindow lw)
this.dui.setLOV(lw);
this.updateCorrect();
public LOVWindow getLOV()
return this.dui.getLOV();
public Dimension getMinimumSize()
if (_preferredSize == null)
_preferredSize = super.getPreferredSize();
return _preferredSize;
public Dimension getPreferredSize()
if (_preferredSize == null)
_preferredSize = super.getPreferredSize();
return _preferredSize;
public void setColumns(int colno)
// invalidate cached data
super.setColumns(colno);
_preferredSize = null;
private void fireUpdate()
boolean oldSemanticCorrect = this.dui.getSemanticCorrect();
this.dui.setSemanticCorrect(true);
boolean correct = this.isCorrect();
this.dui.setSemanticCorrect(oldSemanticCorrect);
if ((correct == false) && (this.getAsText().trim().length() != 0))
return;
String localOldText = this._oldText;
this._oldText = this.getAsText();
firePropertyChange(PhoenixUIElement.ASTEXT_PROPERTY_NAME,localOldText,this._oldText);
* Inform the component that the editing is completed.
public void enter()
if ((this.getMode() == PhoenixUIElement.LOOKUP) && (this.getLOV() != null) && (this.getAsText().length() != 0))
this.getLOV().isCorrectAuto(this);
updateCorrect();
dui.fireEditingCompleted(this);
* This event is common to all uielement. The event editingCompleted is
* fired each time the editing reach a complete form. Each swing ui element
* has a different event to inform that the editing is completed: actionPerformed
* on the JText, ItemSelected on the JList, focusLost to all elements.
* <P>
* <PRE><CODE>
* actionPerformed focusLost itemsSelected ... enter()
* \ | / /
* \ | / _________/
* \ | / ______/
* editingCompleted <---------------- setAsText()
* |
* |
* setRequired() ---> updateCorrect
* setMode() ------/ |
* |
* |
* propertyChange (ASTEXT)
* </CODE></PRE>
* Each specific event is mapped on the editingCompleted event. The editing
* complete event fires an updateCorrect method's call. The updateCorrect
* fires a propertyChange event if, and only if, the content of
* the ui element is changed.
public void addEditingListener(EditingListener ee)
dui.addEditingListener(ee);
* Removes the editingListener.
public void removeEditingListener(EditingListener ee)
dui.removeEditingListener(ee);
* This method can be used as common way to set the value for
* the ui element throught an object. If the object is of the
* wrong type (like Date for a numeric) no set is made.
public Object getAsObject()
return this.getAsText();
* Return the value in the field as object. For example UIDate return
* a date object, UINumeric a Double object, UICheckBox a Boolean object, ecc.
public void setAsObject(Object o)
if (o instanceof String)
this.setAsText((String)o);
* Returns true if the editor is empty. False otherwise.
public boolean isNull()
return (this.getAsText().length() == 0);
* Return the component associated with this editor. In the most cases
* this is returned.
public Component getComponent()
return this;
public String format(Object o, String pattern)
return o.toString();
public String format(Object o, String pattern, Locale l)
return o.toString();
public Object parse(String text) throws ParseException
return text;
public Object parse(String text, Locale l) throws ParseException
return text;
public String getPattern()
return "";
public int getAlignment()
return JLabel.LEFT;
public Object clone()
UIText clone = new UIText();
clone.setText(getText());
return clone;
try
catch (CloneNotSupportedException cnse)
throw new RuntimeException("Clone not supported?");
private boolean _noFirePropertyChange = false;
public void addNotify()
_noFirePropertyChange = true;
super.addNotify();
_noFirePropertyChange = false;
protected void firePropertyChange(String propertyName,Object oldValue,Object newValue)
if (!_noFirePropertyChange)
//System.out.println("NO!");
if (propertyName.equals("ancestor"))
return;
super.firePropertyChange(propertyName, oldValue, newValue);
public String getMultilangCode()
return dui.getMultilangCode();
public String getTooltipMultilangCode()
return dui.getTooltipMultilangCode();

Answer 1

Can you explain what are you trying to copy and where?
Can't you copy text from website to the clipboard or do you have a problem with pasting that text?
* http://kb.mozillazine.org/Clipboard_not_working